Abstract: In recent years, underwater gliders have been widely used in the observation of various ocean surveys. However, their motion is often seriously affected when observing strong currents such as the Kuroshio. Therefore, the motion control of underwater gliders in the Kuroshio was studied in this paper....
Abstract: In response to the problems of high nonlinearity and dimensionality of existing underwater glider models, as well as difficulty in designing effective engineering controllers, the composition and working principle of the motion mechanism of underwater gliders were first studied. By neglecting second...
Abstract: While performing underwater observation and detection, the underwater acoustic glider needs to finish the current profile glide to float to the surface for information exchange and thus fails to realize real-time data information return. In this paper, a detection and communication system for underw...
Abstract: Although the hybrid powered underwater glider has the advantages of both typical underwater gliders and traditional vehicles, it also has disadvantages such as high energy consumption and inconvenient recovery. In the rapid propulsion mode, the existence of wings not only increases navigation resist...
Abstract: Robotic fish with pectoral fin swing have many outstanding features, especially forward swimming stability, but the research on their backward swimming performance is insufficient. Therefore, this article specifically discussed the hydrodynamic performance of the robotic cow-nosed ray with backward ...
Abstract: The unique pectoral fin swinging propulsion method of biomimetic robotic manta ray is more suitable for long-term underwater operations in wind and wave environments. Relevant research has been conducted both in China and abroad, but there are problems in the current research on biomimetic robotic m...
Abstract: Marine wave energy is a new type of clean energy. In order to improve the generation power and wave energy conversion efficiency of the direct-drive wave power generation system, a maximum power control method based on fuzzy sliding mode control was proposed. The method aimed at solving the problems...
Abstract: Unmanned surface vessels(USVs) are subjected to environmental disturbance in the process of movement. In particular, after being disturbed by waves, its motion control will deviate from the expected path, resulting in a waste of energy. In response to the problem of weak adaptability of fixed parame...
Abstract: Since the unmanned sailboat is difficult to obtain the true wind, and the wind sensor used is affected by the attitude of the sailboat, a calculation method of the true wind of the unmanned sailboat based on the fusion of attitude information, relative wind, and sailing wind was proposed. Firstly, t...
Abstract: Based on the background of future modern maritime combats, a multi-agent deep reinforcement learning scheme was proposed to complete the cooperative round-up task in the swarm game confrontation of unmanned surface vehicles (USVs). First, based on different combat modes and application scenarios, a ...
Abstract: The reasonable application of supercritical carbon dioxide(S-CO2) power cycle systems to unmanned undersea vehicles(UUVs) can help address the problem of low efficiency for the existing UUV steam power cycle systems, especially for small-power applications. In order to select the optimal turbine for...
Abstract: The security of underwater acoustic communication networks is an important guarantee for information sharing and cooperative operation of underwater communication. Existing technologies mainly study authentication protocol and data encryption, focusing on improving the security of the network but ig...
Abstract: In the ever-changing marine environment, the key to the optimal design of the towed cable and the precise control of the towed body in the underwater towing system is the quantification of uncertainty at the end of the towed cable. The Monte Carlo(MC) method, a traditional uncertainty quantification...
Abstract: Thunniform fish has high swimming speed and swimming efficiency and thus becomes the ideal biological prototype of bionic robotic fish. In order to study the hydrodynamic characteristics of the efficiency transition point of the forked caudal fins of thunniform fish, the source terms influencing thr...
Abstract: With the development of underwater acoustic technology, underwater acoustic networks(UANs) have attracted much attention due to their performance in marine surveillance, disaster warning, and ocean security. The underwater acoustic channel is a crucial factor affecting the performance of UANs, and i...
Abstract: For the axial flow pumps water-jet propulsion system of undersea vehicles, the high specific speed axial flow pump designed by the lift method fails to work under shallow water and high-speed conditions at present. Therefore, this study put forward a method to design a low specific speed axial flow ...
Abstract: Volume array is a kind of three-dimensional array composed of multiple hydrophones, which can increase the aperture of the receiving array of the submarine target and obtain a large spatial gain. In engineering, it is often made into an array with the function of folding and expanding for dropping s...
Abstract: In order to design the swim-out launcher unit for unmanned undersea vehicle(UUV), based on the thrust model and force model of swim-out launch process for electric torpedoes, the paper analyzes the thrust, fluid resistance, course resistance, and local resistance suffered by the torpedo during its s...
Abstract: This paper studied the underwater separation characteristics of pods of trans-medium vehicles by numerical simulations of computational fluid dynamics and dynamics model simulations and analyzed the hydrodynamic forces exerted on the pods before and after separation. The analysis results show that 1...
Abstract: In the numerical simulation study of the underwater explosion, the grid size and the artificial viscosity coefficient of the primary term have a large impact on the calculation results of the peak pressure of the shock wave. Under the condition of predetermined calculation accuracy, it is of great s...
Abstract: The traditional reliability test is time-consuming and requires high cost. Therefore, this article provided the basic content and workflow of reliability simulation and conducted reliability simulation modeling, thermal stress simulation analysis, vibration stress simulation analysis, fault predicti...
Abstract: Submarines have extremely strong operational capability and deterrence and play an irreplaceable role in war, which have been highly valued by all countries. However, the operational characteristics of submarines also reflect that once an accident occurs, rescue will be difficult. Among various type...
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ISSN: 2096-3920
CN: 61-1509/TJ
Editor-in-chief:Chunpeng DONG
Executive Chief Editor:Weijun CAI
Sponsor:China State Shipbuilding Corporation Limited
Sponsored by:Xi’an Precision Machinery Research Institute The Chinese Society of Naval Architects and Marine Engineers